We've seen some deranged vintage body armor before, but nothing as gutsy as this costume, which transformed the wearer into a 19th-century Pinhead. A commenter on the Foundation of the American Institute for Conservation message boards had this to say about such a suit in 1998 (we're assuming this description refers to this particular regalia):

Bad news first: Tony Stark's futuristic exoskeleton does not exist in real life. Good news:…
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I suspect it is more likely to be for bear bating than hunting, since I can't imagine anyone could run around the woods in it. It consists of leather pants and jacket (and an iron helmet) studded all over with 1-inch iron nails about 3/4 in. apart. The nails are held in place by a second layer of leather lining the whole thing and quilted into place between the nails.